In this lab, the students will verify that the physical serial 0/0 link is up, reset the interface counters, and check the interface again to see what happens after a counter reset.

• 在这个实验，同学将检验实体序列0/0链路是启动的，重置介面计数器，及再次检查介面看看在计数器重置后发生什麽。